musicpom/components/ResizableHeaderView.py
tsi-billypom cb40fd0a57 headers
2024-09-17 12:01:43 -04:00

56 lines
2.0 KiB
Python

from PyQt5.QtWidgets import QHeaderView
from PyQt5.QtCore import Qt
import configparser
class ResizableHeaderView(QHeaderView):
def __init__(self, orientation, parent=None):
super().__init__(orientation, parent)
self.config = configparser.ConfigParser()
self.config.read("config.ini")
# FIXME: last column needs to not leave the screen when other columns become big...
# howwww
table_view_column_widths = str(self.config["table"]["column_widths"]).split(",")
for i in range(parent.model.columnCount() - 1):
self.setColumnWidth(i, int(table_view_column_widths[i]))
self.setSectionsMovable(True)
self.setSectionResizeMode(QHeaderView.Interactive)
self.setStretchLastSection(True)
self.min_section_size = 50
self.default_column_proportions = [1, 1, 1, 1, 1, 1, 1, 1]
def set_default_column_proportions(self, proportions):
self.default_column_proportions = proportions
def resizeEvent(self, e):
super().resizeEvent(e)
self.adjust_section_sizes()
def sectionResized(self, logicalIndex, oldSize, newSize):
super().sectionResized(logicalIndex, oldSize, newSize)
self.adjust_section_sizes()
def adjust_section_sizes(self):
total_width = self.width()
column_count = self.count()
if not self.default_column_proportions:
self.default_column_proportions = [1] * column_count
# Calculate the total proportion
total_proportion = sum(self.default_column_proportions)
# Calculate sizes based on proportions
sizes = [
max(self.min_section_size, int(total_width * prop / total_proportion))
for prop in self.default_column_proportions
]
# Adjust sizes to fit exactly
extra = total_width - sum(sizes)
for i in range(abs(extra)):
sizes[i % column_count] += 1 if extra > 0 else -1
# Apply sizes
for i in range(column_count):
self.resizeSection(i, sizes[i])